SECTION 1. With the approval of the Secretary of War first had, Act Numbered Ninety is hereby amended by adding to rule four of section one the following:
"The chief clerk shall be Acting Deputy Auditor during the absence of the Deputy Auditor and when the Deputy Auditor by virtue of his office is performing the duties of the Acting Auditor. In the absence of both Auditor and Deputy Auditor, he shall take charge of the Bureau as Acting Auditor."